共 13 条
[1]
BAVER LD, 1956, SOIL PHYSICS, P199
[2]
BAVER LD, 1956, SOIL PHYSICS, P203
[3]
BENNETT WH, ROOT MISCELLANEOUS C
[4]
BLAKE G. R. et al., 1960, American Potato Journal, V37, P409, DOI 10.1007/BF02856259
[5]
BRADLEY G. A., 1955, American Potato Journal, V32, P254, DOI 10.1007/BF02868837
[6]
BUSHNELL J., 1956, American Potato Journal, V33, P242, DOI 10.1007/BF02879235
[7]
BUSHNELL J., 1956, American Potato Journal, V33, P203, DOI 10.1007/BF02879221
[8]
HARDENBURG EV, 1949, POTATO PRODUCTION, P22
[9]
HARDENBURG EV, 1949, POTATO PRODUCTION, P39
[10]
MEYER BS, 1960, INTRODUCTION PLANT P, P429